Christmas Bird Counts - 2024 - 2025 The Christmas Bird Count, organized by the National Audubon Society, occurs December 14 to January 5 and is the nation's longest running citizen science bird project. Find a South Dakota count near you and join in the fun. Read More DateCBCDetails 12/14/2024Sioux Falls CBC85th annual Sioux Falls Christmas Bird Count. Please contact Chris Anderson if you are interested in participating as a field observer or feeder watcher.Contact: Chris Anderson 12/28/2024Canton CBC13th annual Canton Christmas Bird Count. Please contact Chris Anderson if you are interested in participating as a field observer or feeder watcher.Contact: Chris Anderson